Home / 707,839.95-976,784.62-401,876.22

Finding the Fourth Proportional to 707,839.95, 976,784.62 and 401,876.22

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Solution

The fourth proportional to 707,839.95, 976,784.62 and 401,876.22 is: 554,569.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,839.95 : 976,784.62 = 401,876.22 : x
  2. Step 2: Convert to fraction form
    707,839.95/976,784.62 = 401,876.22/x
  3. Step 3: Cross multiply
    707,839.95x = 976,784.62 × 401,876.22
  4. Step 4: Simplify right side
    707,839.95x = 392,546,510,839.74
  5. Step 5: Solve for x
    x = 392,546,510,839.74/707,839.95
  6. Step 6: Final answer
    x = 554,569.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.